{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "trigger": true, "arguments": ["vulnerable system version", "issues addressed", "patch", "patch number", "releaser", "supported platform"]}, {"event_type": "phishing", "trigger": true, "arguments": ["trusted entity", "victim", "attack pattern", "damage amount", "place", "purpose", "tool", "time"]}, {"event_type": "data breach", "trigger": true, "arguments": ["number of victim", "compromised data", "damage amount", "place", "time", "purpose", "victim", "tool", "number of data", "attack pattern"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["discoverer", "vulnerable system version", "vulnerable system", "vulnerability", "supported platform", "vulnerable system owner", "capabilities", "common vulnerabilities and exposures"]}, {"event_type": "ransom", "trigger": true, "arguments": ["payment method", "damage amount", "time", "price", "victim", "attack pattern", "place", "tool"]}], "input": "BALTIMORE — The hack that forced Baltimore ’s 911 dispatch system to be temporarily shut down over the weekend was a ransomware attack , city officials said Wednesday ."}
{"patch vulnerability": [], "phishing": [], "data breach": [], "discover vulnerability": [], "ransom": [{"trigger": "a ransomware attack", "arguments": {"payment method": "NAN", "damage amount": "NAN", "time": "over the weekend", "price": "NAN", "victim": "Baltimore ’s 911 dispatch system", "attack pattern": "NAN", "place": "NAN", "tool": "NAN"}}]}